Fitness Resource Directory

Welcome to the FitnessTracker resource library. Browse exercises, understand key muscle groups, and explore nutrition essentials that support your fitness journey.

Fitness Resource Directory: Exercises, Muscles, and Nutrition

This reference section is a structured directory of fitness knowledge - including:

  • Exercises with step-by-step instructions, muscle targeting, and accessibility-focused descriptions.
  • Muscle group breakdowns that help you understand what each movement trains.
  • Nutrient guides covering vitamins, minerals, and macronutrients to support your training and recovery.

Everything is written with privacy, accessibility, and long-term learning in mind. You’ll find the same content powering the FitnessTracker app — but available here, free, forever.


Browse the exercise directory and learn about movements that can help you build strength, flexibility, and endurance.

Understand how major muscle groups function and which exercises target them.

Explore essential nutrients, food sources, and how diet supports your performance goals.

Learn more about different types of exercise equipment and find new exercises with the equipment you have.

Let’s Go

Fitness is a journey. As you go, you will have to learn more - both about the science of fitness and about how your body adapts. We can help you with the science and our tool can help you figure your body out while caring for your privacy like our own.

Whatever stage you're at — just starting out or training for gold — FitnessTracker is here to help.

Spotlight on Resources Content

New Exercise Categories

FitnessTracker now supports seven structured exercise categories, including strength, cardio, core, and Olympic weightlifting. This update surfaces months of internal organization and lays the foundation for smarter browsing and future features.

February 21, 2026

Rewriting more exercises

Did you know that writing about exercises does not actually count as doing exercises? What a load of crap. My annoyance at science aside, I have been steadily rewriting content while getting the app ready for launch. This round of exercises was a lot of fun, reminded me of some pain and even inspired a joke that manages to be really bad and totally obscure at the same time.

July 21, 2025